Home / 236,909.50-518,107.50

Finding the Third Proportional to 236,909.50 and 518,107.50

Calculator

Solution

The third proportional to 236,909.50 and 518,107.50 is: 1,133,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,909.50 : 518,107.50 = 518,107.50 : x
  2. Step 2: Convert to fraction form
    236,909.50/518,107.50 = 518,107.50/x
  3. Step 3: Cross multiply
    236,909.50x = 518,107.50 × 518,107.50
  4. Step 4: Simplify right side
    236,909.50x = 268,435,381,556.25
  5. Step 5: Solve for x
    x = 268,435,381,556.25/236,909.50
  6. Step 6: Final answer
    x = 1,133,071.41

Related Problems

Find third proportional to 118,454.75 and 259,053.75
Half scale
Find third proportional to 473,819 and 1,036,215
Double scale
Find third proportional to 236,912 and 518,112
Similar ratio
Find third proportional to 355,364.25 and 777,161.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.